113191023 has 12 divisors (see below), whose sum is σ = 165889304. Its totient is φ = 68600400.

The previous prime is 113191021. The next prime is 113191033. The reversal of 113191023 is 320191311.

It is not a de Polignac number, because 113191023 - 2¹ = 113191021 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113191021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155548 + ... + 156273.

Almost surely, 2^113191023 is an apocalyptic number.

113191023 is a deficient number, since it is larger than the sum of its proper divisors (52698281).

113191023 is a wasteful number, since it uses less digits than its factorization.

113191023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311846 (or 311835 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 113191023 is about 10639.1269848611. The cubic root of 113191023 is about 483.7310833965.

The spelling of 113191023 in words is "one hundred thirteen million, one hundred ninety-one thousand, twenty-three".